12622506 has 32 divisors (see below), whose sum is σ = 27857088. Its totient is φ = 3788160.

The previous prime is 12622499. The next prime is 12622507. The reversal of 12622506 is 60522621.

It is a super-3 number, since 3×12622506³ (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (12622507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1225 + ... + 5171.

It is an arithmetic number, because the mean of its divisors is an integer number (870534).

Almost surely, 2^12622506 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12622506, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13928544).

12622506 is an abundant number, since it is smaller than the sum of its proper divisors (15234582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12622506 is a wasteful number, since it uses less digits than its factorization.

12622506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4006.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 12622506 is about 3552.8166290987. The cubic root of 12622506 is about 232.8351415993.

The spelling of 12622506 in words is "twelve million, six hundred twenty-two thousand, five hundred six".